Hero’s Crown
Crystal Cave on first Island
Sword Coast near Monkey Tower (opposite of the cave you are asked to check out when you go with steelbeard to the natives camp)
Sword Coast – Hill overlooking Earth Temple
Antigua – Northwestern Island
Maracai Bay – Climb up some cliffs east of Angus
Thieves Island – Northernmost point, on a cliff.
Antigua – Near Garcia’s Treasure
Treasure Isle – In Mangrove Jungle, to the right from the cave exit you will find a skull on a stake and to the left of the stake you see an alligator, next to it, the crown.

Graveroot
Tacirigua – Ghoul Camp on the edge of the island, near small “connecting island”
Sword Coast – Bat Cave behind Native tower upriver
Sword Coast – Jaguar Cave
Antigua – Graveyard
Isle of the Dead – Easternmost part of the map
Isle of the Dead – Around Thief’s Temple
Treasure Isle – In the cave system after Gorilla valley
Maracai Bay – Panther Cave
Maracai Bay – in the hidden valley, at the secret treasure, at the foot of the temple

Sharpeye
Sword Coast – Graveyard
Caldera – Mauregato’s hosue
1 more on either Sword Coast or Tacirigua, I started writing down locations after I found this
Sword Coast – On the beach by Puerta Isabella (unconfirmed)
Antigua – Southwestern most beach
Thieves Island – Northwest of Port, on a hill
Maracai Bay – Up some cliffs, on the path to Harlok
Maracai Bay – Southernmost point of the map, south-east of the native village.

Jester’s Cap
Sword Coast – Earth Temple
Calderra – Town Square
Antigua – Hobgoblin seacave
Antigua – Beach near lookout tower (west)
Thieves Island – Slayne’s Cave
Isle of the Dead – Near entrance
Isle of the Dead – North of Thief’s Temple, on the outer side of a house, edge of cliff
Treasure Isle – In the cave system after Gorilla valley
Maracai Bay – Climb up the hills, heading southwest after Habib
Tacarigua – Blow up the secret cave with the cannons, south of the Pirates Large Gate